CN108127061A - A kind of kneed preparation method of human body artificial limb aluminium alloy - Google Patents
A kind of kneed preparation method of human body artificial limb aluminium alloy Download PDFInfo
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- CN108127061A CN108127061A CN201711156111.1A CN201711156111A CN108127061A CN 108127061 A CN108127061 A CN 108127061A CN 201711156111 A CN201711156111 A CN 201711156111A CN 108127061 A CN108127061 A CN 108127061A
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- Prior art keywords
- human body
- aluminium alloy
- artificial limb
- body joint
- limb position
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
- B21J5/025—Closed die forging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
- B21J1/06—Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/002—Hybrid process, e.g. forging following casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/008—Incremental forging
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Prostheses (AREA)
Abstract
The invention discloses a kind of aluminium alloys suitable for human body joint of artificial limb position, include the ingredient of following weight percent:Iron:0.1 ~ 0.4%, chromium:0.1 ~ 0.6%, gallium:0.2 ~ 0.7%, cobalt:0.1 ~ 0.5%, boron:0.1 ~ 0.5%, cerium:0.1 ~ 0.14%, lithium 0.08 ~ 0.35%, surplus are aluminium.Aluminium alloy prepared by the present invention, has excellent performance, and not only with good corrosion resistance and plasticity, and is suitble to produce in enormous quantities, high precision machining does not crack, high in machining efficiency, and extraordinary material selection is provided for human body joint of artificial limb position.
Description
Technical field
The present invention relates to technical field of aluminum alloy technology more particularly to a kind of kneed preparation methods of human body artificial limb aluminium alloy.
Background technology
Artificial limb is always a frontier nature research topic of robotics and biomedical engineering field.Artificial limb is compensatory
Prominent achievement is achieved in terms of human body missing function.Disabled person accounts for 5% or so in China human mortality at present, extremity disabled persons
About 8,770,000 people account for the 14.6% of disabled person's sum, wherein nearly 1,000,000 people needs to install artificial limb.To field of prosthetic limbs correlation
The research of project is constantly subjected to the great attention of national Ministry of Civil Affairs and China Disabled Federation.As national economy is quickly good for
Kang Fazhan and living standards of the people are continuously improved, and there is an urgent need to upgrading is optimized to prosthetic product.
Knee joint is the critical component in human body artificial limb, and kneed disk wall is relatively thin, and there are four symmetrical convex for disk bottom
The position risen, whole wall thickness difference is bigger, and forming is more difficult, so sotck thinkness, to being formed with larger impact, blank is too thin,
In die forging, one-pass molding ability is poor, thicker at forming rear disk when blank is too thick, is easy to cause forge weight increasing.This
Outside, it is more satisfactory using stock of square rounded corner effect for blank shape, but the stock of square requires to have to positioning accurate
Standard during concrete practice, causes forging forming bad or forges other shapes due to being extremely difficult to be accurately positioned
The product of shape, therefore the present invention selects circular blank.
In order to improve kneed service life in artificial limb, the present invention provides a kind of human body artificial limb aluminium alloy is kneed
Preparation method.
Invention content
Technical problems based on background technology, the present invention propose a kind of kneed preparation of human body artificial limb aluminium alloy
Method.
Technical scheme is as follows:
A kind of kneed preparation method of human body artificial limb aluminium alloy, includes the following steps:
A, the circular blank of the aluminium alloy suitable for human body joint of artificial limb position is taken, by blank heating in high temperature box type resistance furnace
To 600-650 DEG C, 5-8 minutes are kept the temperature, while preheated mold is to 300-320 DEG C;
B, blank is put into die cavity, blocking is carried out under hydraulic test;
C, the blank after blocking is reentered into resistance furnace and is heated to 600-650 DEG C, finish-forging shapes after heat preservation 15-25 minutes;
D, pickling and alkali cleaning are carried out after natural cooling, degreasing is bright and clean, and then deflashing drilling is to get required product.
The aluminium alloy suitable for human body joint of artificial limb position includes the ingredient of following weight percent:Iron:0.1~
0.4%th, chromium:0.1 ~ 0.6%, gallium:0.2 ~ 0.7%, cobalt:0.1 ~ 0.5%, boron:0.1 ~ 0.5%, cerium:0.1 ~ 0.14%, lithium 0.08 ~
0.35%th, surplus is aluminium.
Preferably, the aluminium alloy suitable for human body joint of artificial limb position includes the ingredient of following weight percent:
Iron:0.2 ~ 0.3%, chromium:0.2 ~ 0.4%, gallium:0.3 ~ 0.5%, cobalt:0.3 ~ 0.4%, boron:0.25 ~ 0.4%, cerium:0.1 ~ 0.14%, lithium
0.12 ~ 0.25%, surplus is aluminium.
Preferably, zinc in aluminium alloy constituent content≤0.1%.
Preferably, silicon out of aluminium alloy content≤0.005%.
The invention has the beneficial effects that:Aluminium alloy prepared by the present invention, has excellent performance, not only with good corrosion-resistant
Performance and plasticity, and be suitble to produce in enormous quantities, high precision machining does not crack, high in machining efficiency, is human body joint of artificial limb portion
Position provides extraordinary material selection.
Specific embodiment
Embodiment 1
A kind of kneed preparation method of human body artificial limb aluminium alloy, includes the following steps:
A, the circular blank of the aluminium alloy suitable for human body joint of artificial limb position is taken, by blank heating in high temperature box type resistance furnace
To 615 DEG C, 7 minutes are kept the temperature, while preheated mold is to 315 DEG C;
B, blank is put into die cavity, blocking is carried out under hydraulic test;
C, the blank after blocking is reentered into resistance furnace and is heated to 635 DEG C, finish-forging shapes after twenty minutes for heat preservation;
D, pickling and alkali cleaning are carried out after natural cooling, degreasing is bright and clean, and then deflashing drilling is to get required product.
The aluminium alloy suitable for human body joint of artificial limb position includes the ingredient of following weight percent:Iron:
0.25%th, chromium:0.35%th, gallium:0.45%th, cobalt:0.35%th, boron:0.32%th, cerium:0.12%th, lithium 0.18%, surplus are aluminium.
The zinc in aluminium alloy constituent content is 0.02%.
The silicon out of aluminium alloy content is 0.003%.
Embodiment 2
A kind of kneed preparation method of human body artificial limb aluminium alloy, includes the following steps:
A, the circular blank of the aluminium alloy suitable for human body joint of artificial limb position is taken, by blank heating in high temperature box type resistance furnace
To 600 DEG C, 8 minutes are kept the temperature, while preheated mold is to 300 DEG C;
B, blank is put into die cavity, blocking is carried out under hydraulic test;
C, the blank after blocking is reentered into resistance furnace and is heated to 650 DEG C, finish-forging shapes after heat preservation 15 minutes;
D, pickling and alkali cleaning are carried out after natural cooling, degreasing is bright and clean, and then deflashing drilling is to get required product.
The aluminium alloy suitable for human body joint of artificial limb position includes the ingredient of following weight percent:Iron:
0.2%th, chromium:0.4%th, gallium:0.3%th, cobalt:0.4%th, boron:0.25%th, cerium:0.14%th, lithium 0.12%, surplus are aluminium.
The zinc in aluminium alloy constituent content is 0.07%.
The silicon out of aluminium alloy content is 0.002%.
Embodiment 3
A kind of kneed preparation method of human body artificial limb aluminium alloy, includes the following steps:
A, the circular blank of the aluminium alloy suitable for human body joint of artificial limb position is taken, by blank heating in high temperature box type resistance furnace
To 650 DEG C, 5 minutes are kept the temperature, while preheated mold is to 320 DEG C;
B, blank is put into die cavity, blocking is carried out under hydraulic test;
C, the blank after blocking is reentered into resistance furnace and is heated to 600 DEG C, finish-forging shapes after heat preservation 25 minutes;
D, pickling and alkali cleaning are carried out after natural cooling, degreasing is bright and clean, and then deflashing drilling is to get required product.
The aluminium alloy suitable for human body joint of artificial limb position includes the ingredient of following weight percent:Iron:
0.3%th, chromium:0.2%th, gallium:0.5%th, cobalt:0.3%th, boron:0.4%th, cerium:0.1%th, lithium 0.25%, surplus are aluminium.
The zinc in aluminium alloy constituent content is 0.05%.
The silicon out of aluminium alloy content is 0.005%.
Comparative example 1
Zn-ef ficiency content in embodiment 1 is promoted to 0.15%.
Comparative example 2
Zn-ef ficiency content in embodiment 1 is promoted to 0.01%.
The human body artificial limb knee-joint of 1-3 of the embodiment of the present invention, 90 DEG C of activities can still ensure to run well for 100,000 times, performance
It is very good.
And the sample of comparative example 1 and 2.After making knee joint position, 90 DEG C of activities can still ensure the number to run well
Respectively 3.62 ten thousand times and 1.85 ten thousand times.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of kneed preparation method of human body artificial limb aluminium alloy, which is characterized in that include the following steps:
A, the circular blank of the aluminium alloy suitable for human body joint of artificial limb position is taken, by blank heating in high temperature box type resistance furnace
To 600-650 DEG C, 5-8 minutes are kept the temperature, while preheated mold is to 300-320 DEG C;
B, blank is put into die cavity, blocking is carried out under hydraulic test;
C, the blank after blocking is reentered into resistance furnace and is heated to 600-650 DEG C, finish-forging shapes after heat preservation 15-25 minutes;
D, pickling and alkali cleaning are carried out after natural cooling, degreasing is bright and clean, and then deflashing drilling is to get required product.
2. as described in claim 1 suitable for the preparation method of the aluminium alloy at human body joint of artificial limb position, which is characterized in that institute
The aluminium alloy suitable for human body joint of artificial limb position stated includes the ingredient of following weight percent:Iron:0.1 ~ 0.4%, chromium:
0.1 ~ 0.6%, gallium:0.2 ~ 0.7%, cobalt:0.1 ~ 0.5%, boron:0.1 ~ 0.5%, cerium:0.1 ~ 0.14%, lithium 0.08 ~ 0.35%, surplus are
Aluminium.
3. as described in claim 1 suitable for the preparation method of the aluminium alloy at human body joint of artificial limb position, which is characterized in that institute
The aluminium alloy suitable for human body joint of artificial limb position stated includes the ingredient of following weight percent:Iron:0.2 ~ 0.3%, chromium:
0.2 ~ 0.4%, gallium:0.3 ~ 0.5%, cobalt:0.3 ~ 0.4%, boron:0.25 ~ 0.4%, cerium:0.1 ~ 0.14%, lithium 0.12 ~ 0.25%, surplus
For aluminium.
4. as described in claim 1 suitable for the preparation method of the aluminium alloy at human body joint of artificial limb position, which is characterized in that institute
State suitable for the aluminium alloy at human body joint of artificial limb position, Zn-ef ficiency content≤0.1%.
5. as described in claim 1 suitable for the preparation method of the aluminium alloy at human body joint of artificial limb position, which is characterized in that institute
State suitable for the aluminium alloy at human body joint of artificial limb position, silicon content≤0.005%.
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5560096A (en) * | 1995-01-23 | 1996-10-01 | Smith & Nephew Richards Inc. | Method of manufacturing femoral knee implant |
CN101120894A (en) * | 2006-08-08 | 2008-02-13 | 上海市机械制造工艺研究所 | Technology method relating to component in manufacturing artificial limb knee-joint |
CN101185954A (en) * | 2007-12-19 | 2008-05-28 | 河南中光学集团有限公司 | Aluminum alloy special-shaped member equivalent temperature precision forging technique method |
CN101559471A (en) * | 2009-05-22 | 2009-10-21 | 哈尔滨工业大学 | Aluminum alloy complex disc part isothermal precision forging process method |
CN102441630A (en) * | 2011-09-15 | 2012-05-09 | 河南理工大学 | Near-net forming method for aluminum alloy part of human artificial limb knee joint |
-
2017
- 2017-11-20 CN CN201711156111.1A patent/CN108127061A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5560096A (en) * | 1995-01-23 | 1996-10-01 | Smith & Nephew Richards Inc. | Method of manufacturing femoral knee implant |
US5560096B1 (en) * | 1995-01-23 | 1998-03-10 | Smith & Nephew Richards Inc | Method of manufacturing femoral knee implant |
CN101120894A (en) * | 2006-08-08 | 2008-02-13 | 上海市机械制造工艺研究所 | Technology method relating to component in manufacturing artificial limb knee-joint |
CN101185954A (en) * | 2007-12-19 | 2008-05-28 | 河南中光学集团有限公司 | Aluminum alloy special-shaped member equivalent temperature precision forging technique method |
CN101559471A (en) * | 2009-05-22 | 2009-10-21 | 哈尔滨工业大学 | Aluminum alloy complex disc part isothermal precision forging process method |
CN102441630A (en) * | 2011-09-15 | 2012-05-09 | 河南理工大学 | Near-net forming method for aluminum alloy part of human artificial limb knee joint |
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